the big question is where did this five-year-old get that done. we talked to that boy's mom and she offered an explanation. they are just little boys. one lives in this building, the other across the parking lots. they need to play on this playground. it was here yesterday afternoon that the five-year-old raised a gun and shot a four-year-old and the back. >> my son was outside playing. he found the gun on the playgrounds and the thought it was a cap gun. >> she asked that we not show her face. she is adamant that gun is not from her home. her son thought it was only a toy. >> i've just want to be left alone. >> family friend said the four- year-old boy is expected to make a full recovery. she says he did not even know what hit tim. >> -- hit him. >> he tried to be calm. he was good. >> she cannot say for sure where the gun came from. she does not believe that the boys found dead outside. >> there is no way. for her not to see a gun. >> the police investigation is focusing on where the gun came from. they will run ballistics on it. another thing t